'The Hallmarks of Antique Glass' - R. Wilkinson. Published 1968 by Richard Madley ……………….. currently there are copies on Abe Books for c. £6 - £7. Wilkinson obviously knew a lot about glass since he'd spent his entire working life in the trade, though to what extent opinion may have changed on some of his thoughts I've no idea - I'd imagine most of his writing remains valid, and for this sort of cost it has to be good value for money.
the business of dating by means of the type of base radial cutting dating is hampered like some other features of bottles insofar as there are so many later examples around which repeat these various stars that it's more a matter that you need to know which are the original bottles, and not the later copies.